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    ILSAC GF-5 and API SN Engine Oil Standards Take Effect

    Replacing the current GF-4 standard, the new ILSAC (International Lubricant Standardization and Approval Committee) GF-5 minimum performance standard for gasoline passenger car engine oils is now in place. Introduced into the market in the Fall of 2010, it's expected to become the basis for oils used in many 2011 new car factory fills, and after September 30th, 2011 the only basis for issuance of a license to use the API (American Petroleum Institute) Certification Mark.

    The ILSAC GF-5 specification was jointly developed by JAMA (Japan Automobile Manufacturers Association), Chrysler LLC, Ford Motor Company, and General Motors.

    ILSAC GF-5 is designed to be an improvement over the previous GF-4 in three areas:
    Fuel economy and fuel economy retention
    Engine oil robustness
    Protection of emission control systems

    GF-5 oils will be required to deliver improved fuel economy when the oil is first put into the engine as well as after it ages. A 1-2% gain in fuel economy is expected.

    Improved oil robustness, where the oil better protects the engine from sludge and varnish formation, and resists carbon deposits, is also a focus of the new standard. As well, it's expected to provide better emulsion and rust protection in flex fuel vehicles using ethanol fuels. Emulsion refers to the mixture formed when fuels like E85 get into the oil and GF-5 is designed to ensure that the oil can tolerate some fuel contamination without loss of performance. Also, better seal compatibility with a broader range of materials and types, along with any newly developed elastomers used to make seals. Enhanced turbocharger protection is also part of the new specification.

    The GF-4 Phosphorous limits are retained without change in the GF-5 spec. While a certain amount of phosphorus is necessary in the oil for wear protection, when it gets into the exhaust stream it's detrimental to emissions. New chemistry has been developed to make phosphorous less volatile keeping more of it in suspension in the oil and out of the exhaust.

    Finally, GF-5 is backward compatible and is totally safe for use where GF-4, GF-3 or GF-2 were originally recommended.

    ILSAC GF-1 through GF-4 standards are now obsolete.

    For comprehensive, detailed information, I recommend the Lubrizol website:
    Your trusted source for market trends, industry insights and the lubrication challenges of today's advanced hardware.


    API Announces Adoption of New ILSAC and API Standards
    API has adopted two new oil performance standards for gasoline-engined vehicles: ILSAC GF-5 and API SN. API SN is the most recent Service Category issued by API's Lubricants Group. Oils meeting API SN and the new "Resource Conserving" designation meet all ILSAC GF-5 performance requirements.

    API Service Categories:
    SN is current for 2011 and older engines
    SM is current for 2010 and older engines
    SL is current for 2004 and older engines
    SJ is current for 2001 and older engines
    SH through SA are now obsolete
    The American Petroleum Institute (API) is the only national trade association that represents all aspects of America’s oil and natural gas industry. Our more than 600 corporate members, from the largest major oil company to the smallest of independents, come from all segments of the industry.


    FYI, I just purchased Red Line 5W-30 and, according to the label on the container, it meets the GF-5 specs.

    Happy Motoring!
    Last edited by goldstar; 08-31-2014, 10:24 AM.
    02 DX Millenium Red - The Penultimate Driving Machine
    MP3 Strut Tower Bar kit; Cusco Front Lower Arm Tie Bar
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    #2
    What kind of miles do you get out of this type of oil? Does it degrade any faster or slower then normal oil?
    Cincinnati, ohio Bengals for life
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    Comment


      #3
      Originally posted by bomdoutscort View Post
      What kind of miles do you get out of this type of oil? Does it degrade any faster or slower then normal oil?
      I would imagine if its backwards compatible that it must meet or exceed the abilities of the GF-4 in all respects (except maybe cost ). Also especially for a 4 cylinder your milage increase is going to be VERY little to non existant... Oil already does a pretty good job of lubricating, Maybe with a V8 it may get slightly more noticable with a larger rotating assembly.
      Last edited by FazdaBoy4ever; 05-12-2011, 02:58 PM.
      There are no stupid questions, just stupid people.

      Comment


        #4
        Originally posted by bomdoutscort View Post
        What kind of miles do you get out of this type of oil? Does it degrade any faster or slower then normal oil?
        Since an increase in engine oil robustness was a principal goal of the new formulation, it's likely that GF-5 oil will have a longer service life and consequently degrade more slowly than current oils. Longer intervals between oil changes is a highly sought after parameter in current engine oil research because it reduces environmental impact.

        Happy Motoring!
        02 DX Millenium Red - The Penultimate Driving Machine
        MP3 Strut Tower Bar kit; Cusco Front Lower Arm Tie Bar
        MSP Springs, Struts, Stabilizer Bars, Trailing Links, #3 Engine Mount
        Kartboy Stabilizer Bar Bushings; Nyloil Shifter Bushings; Red Line MT-90 Gear Oil
        MP3 Shifter, Knob and Aluminum Pedal Set
        Suvlights HD Wiring Harness; Osram Night Breaker H4 Bulbs; Exide Edge AGM Battery
        Summer: 5Zigen FN01R-C 16 x 7" Wheels; Yoko S.drive 205/45-16s
        Winter: Enkei OR52 16 x 7" Wheels; Falken Ziex ZE-912 205/45-16s
        Modified OEM Air Intake; Racing Beat Exhaust System; Techna-Fit SS Clutch Line
        Denso SKJ16CR-L11 Extended Tip Spark Plugs; Magnecor Wires
        Power Slot Front Brake Rotors; Techna-Fit SS Brake Lines; Hawk HPS Pads
        Red Line Synthetic Engine Oil; C/S Aluminum Oil Cap
        Cyberdyne Digital Gauges: Tach; Ambient Air Temp; Voltmeter

        Comment

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